<template>
  <div>
    <vxe-button @click="changeFilters()">只修改 role 条件</vxe-button>
    <vxe-button @click="handleFilters">修改并触发 role 筛选</vxe-button>
    <vxe-button @click="clearFilterEvent">清除筛选</vxe-button>
    <vxe-table
      border
      height="300"
      ref="tableRef"
      :loading="loading"
      :data="tableData"
      :filter-config="filterConfig"
      @filter-change="filterChangeEvent"
      @clear-all-filter="clearAllFilterEvent">
      <vxe-column type="seq" width="70"></vxe-column>
      <vxe-column field="name" title="Name"></vxe-column>
      <vxe-column field="role" title="Role" :filters="roleOptions"></vxe-column>
      <vxe-column field="sex" title="Sex" :filters="sexOptions"></vxe-column>
      <vxe-column field="age" title="Age"></vxe-column>
      <vxe-column field="address" title="Address"></vxe-column>
    </vxe-table>
  </div>
</template>

<script lang="ts" setup>
import { ref } from 'vue'
import { VxeTableInstance, VxeTableDefines, VxeTableEvents, VxeTablePropTypes } from 'vxe-table'
import { VxeButtonEvents } from 'vxe-pc-ui'

interface RowVO {
  id: number
  name: string
  role: string
  sex: string
  age: number
  num: string
  num2: string
  address: string
}

const tableRef = ref<VxeTableInstance<RowVO>>()

const loading = ref(false)
const tableData = ref<RowVO[]>([])

const filterConfig = ref<VxeTablePropTypes.FilterConfig<RowVO>>({
  remote: true
})

const roleOptions = ref([
  { label: 'Develop', value: 'Develop' },
  { label: 'Test', value: 'Test' },
  { label: 'PM', value: 'PM' },
  { label: 'Designer', value: 'Designer' }
])

const sexOptions = ref([
  { label: 'Man', value: 'Man' },
  { label: 'Women', value: 'Women' }
])

const findList = (filterList?: VxeTableDefines.FilterCheckedParams<RowVO>[]) => {
  loading.value = true
  // 模拟接口
  return new Promise<RowVO[]>(resolve => {
    setTimeout(() => {
      loading.value = false
      const mockList = [
        { id: 10001, name: 'Test1', role: 'Develop', sex: 'Man', age: 28, num: '3.8', num2: '3.8', address: 'test abc' },
        { id: 10002, name: 'Test2', role: 'Test', sex: 'Women', age: 22, num: '511', num2: '511', address: 'Guangzhou' },
        { id: 10003, name: 'Test3', role: 'PM', sex: 'Man', age: 32, num: '12.8', num2: '12.8', address: 'Shanghai' },
        { id: 10004, name: 'Test4', role: 'Designer', sex: 'Women', age: 23, num: '103', num2: '103', address: 'test abc' },
        { id: 10005, name: 'Test5', role: 'Develop', sex: 'Women', age: 30, num: '56', num2: '56', address: 'Shanghai' },
        { id: 10006, name: 'Test6', role: 'Designer', sex: 'Women', age: 21, num: '49', num2: '49', address: 'test abc' },
        { id: 10007, name: 'Test7', role: 'Test', sex: 'Man', age: 29, num: '400.9', num2: '400.9', address: 'test abc' },
        { id: 10008, name: 'Test8', role: 'Develop', sex: 'Man', age: 35, num: '5000', num2: '5000', address: 'test abc' }
      ]
      if (filterList && filterList.length) {
        const queryFilerMaps = {
          role: [] as string[],
          sex: [] as string[]
        }
        filterList.forEach(item => {
          if (queryFilerMaps[item.field]) {
            queryFilerMaps[item.field] = item.values
          }
        })
        const rest = mockList.filter(item => {
          const { role: roleValues, sex: sexValues } = queryFilerMaps
          return roleValues.includes(item.role) && (!sexValues.length || sexValues.includes(item.sex))
        })
        tableData.value = rest
        resolve(rest)
      } else {
        tableData.value = mockList
        resolve(mockList)
      }
    }, 300)
  })
}

const filterChangeEvent: VxeTableEvents.FilterChange<RowVO> = ({ filterList }) => {
  findList(filterList)
}

const clearAllFilterEvent: VxeTableEvents.ClearAllFilter<RowVO> = ({ filterList }) => {
  findList(filterList)
}

const changeFilters = () => {
  const $table = tableRef.value
  if ($table) {
    // 修改筛选选项，调用该方法不会触发任何事件
    $table.setFilter('role', [
      { label: 'Develop', value: 'Develop', checked: false },
      { label: 'Test', value: 'Test', checked: true },
      { label: 'PM', value: 'PM', checked: false },
      { label: 'Designer', value: 'Designer', checked: false }
    ])
  }
}

const handleFilters = ({ $event }) => {
  const $table = tableRef.value
  if ($table) {
    // 修改筛选选项，调用该方法会触自动触发 filter-change 事件
    $table.setFilterByEvent($event, 'role', [
      { label: 'Develop', value: 'Develop', checked: false },
      { label: 'Test', value: 'Test', checked: true },
      { label: 'PM', value: 'PM', checked: false },
      { label: 'Designer', value: 'Designer', checked: false }
    ])
  }
}

const clearFilterEvent: VxeButtonEvents.Click = ({ $event }) => {
  const $table = tableRef.value
  if ($table) {
    // 多列筛选模式，清除筛选，调用该方法会自动触发 clear-all-filter 事件
    $table.clearFilterByEvent($event)
  }
}

findList()
</script>
